Multiple Choice Questions on Solar Power

🌞 Top 15 MCQs on Solar Power

1. What type of energy is solar power?

A. Chemical energy

B. Mechanical energy

C. Renewable energy

D. Nuclear energy

Answer: C. Renewable energy

2. What is the basic unit of a solar panel called?

A. Generator

B. Solar cell

C. Inverter

D. Transformer

Answer: B. Solar cell

3. Which device is used to convert DC electricity from solar panels into AC electricity?

A. Transformer

B. Inverter

C. Battery

D. Rectifier

Answer: B. Inverter

4. What is the average lifespan of a modern solar panel?

A. 5–10 years

B. 10–15 years

C. 20–25 years

D. 30–35 years

Answer: C. 20–25 years

5. Which component stores excess solar energy for later use?

A. Controller

B. Inverter

C. Battery

D. Capacitor

Answer: C. Battery

6. Which country currently leads the world in installed solar capacity? (As of 2024)

A. United States

B. China

C. Germany

D. India

Answer: B. China

7. What is the main limitation of solar power?

A. Too much maintenance

B. Emits CO₂

C. Weather dependent

D. Requires coal backup

Answer: C. Weather dependent

8. What type of current is generated by solar panels?

A. AC

B. DC

C. Both

D. None

Answer: B. DC

9. Which part of the electromagnetic spectrum do solar panels mainly utilize?

A. Ultraviolet

B. Infrared

C. Visible light

D. Radio waves

Answer: C. Visible light

10. What does "PV" stand for in solar technology?

A. Power Voltage

B. Passive Voltage

C. Photovoltaic

D. Pressure Volume

Answer: C. Photovoltaic

11. What is net metering?

A. A type of solar battery

B. A system for measuring net power consumption

C. A method of selling excess solar power back to the grid

D. A weather forecasting method

Answer: C. A method of selling excess solar power back to the grid

12. In which layer of a solar cell is the electric field generated?

A. P-layer

B. N-layer

C. P-N junction

D. Metallic layer

Answer: C. P-N junction

13. Which material is most commonly used in solar cells?

A. Copper

B. Silicon

C. Lead

D. Iron

Answer: B. Silicon

14. Solar thermal energy is mainly used for:

A. Powering satellites

B. Heating water

C. Running diesel engines

D. Generating nuclear power

Answer: B. Heating water

15. What happens to solar panel efficiency as temperature increases?

A. Increases

B. Stays the same

C. Decreases

D. Doubles

Answer: C. Decreases